Home / 6,650,999.40-9,980,435.70-4,383,080.40

Finding the Fourth Proportional to 6,650,999.40, 9,980,435.70 and 4,383,080.40

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Solution

The fourth proportional to 6,650,999.40, 9,980,435.70 and 4,383,080.40 is: 6,577,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,999.40 : 9,980,435.70 = 4,383,080.40 : x
  2. Step 2: Convert to fraction form
    6,650,999.40/9,980,435.70 = 4,383,080.40/x
  3. Step 3: Cross multiply
    6,650,999.40x = 9,980,435.70 × 4,383,080.40
  4. Step 4: Simplify right side
    6,650,999.40x = 43,745,052,100,130.28
  5. Step 5: Solve for x
    x = 43,745,052,100,130.28/6,650,999.40
  6. Step 6: Final answer
    x = 6,577,214.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.